在python opencv模塊中編輯后保存一張同名圖片

Question

我正在嘗試在 opencv 上編輯后以相同的名稱保存圖像。我可以使用相同的名稱保存。 但我不能保存在不同的文件中。 所以，這是我的代碼：

import cv2
import numpy as np
import glob

filename = [img for img in glob.glob("./mypath_1/*.jpg")]
flist=sorted(filename)
images = []
path='./mypath_2/'

for image in flist:
    img= cv2.imread(image)
    alpha=2
    beta=-420

    img2=cv2.addWeighted(img,alpha,np.zeros(img.shape,img.dtype),0,beta)
    hsv = cv2.cvtColor(img2, cv2.COLOR_BGR2HSV)
    cv2.imwrite( path+image, hsv)

另外，我試過這個： cv2.imwrite( './mypath_2/'+image, hsv) 。

我不保存圖像，並且此代碼中沒有消息錯誤。

一些建議？

Answer 1

import numpy as np
import cv2
import os
import sys
from pathlib import Path

if __name__ == "__main__":
    #get alpha and beta values
    alpha, beta =2, -420
    # get directory path where the images are stored
    image_dir = "/path/to/image read directory/"
    # get directory path where you want to save the images
    output_dir = "/path/to/image write directory/"
    #iterate through all the files in the image directory
    for _, _, image_names in os.walk(image_dir):
        #iterate through all the files in the image_dir
        for image_name in image_names:
            # check for extension .jpg
            if '.jpg' in image_name:
                # get image read path(path should not contain spaces in them)
                filepath = os.path.join(image_dir, image_name)
                # get image write path
                dstpath = os.path.join(output_dir, image_name)
                print(filepath, dstpath)
                # read the image
                image = cv2.imread(filepath)
                # do your processing
                image2 = cv2.addWeighted(image, alpha,np.zeros_like(image),0,beta)
                hsv = cv2.cvtColor(image2, cv2.COLOR_BGR2HSV)
                # write the image in a different path with the same name
                cv2.imwrite(dstpath, hsv)
                print(image.shape, image2.shape, hsv.shape)

Answer 2

您可以使用nipath使用 3 行代碼來完成

import ntpath
filename = ntpath.basename("D:\coding\python\Sample Photos\1.jpg")
cv2.imwrite("D:\coding\python\Sample Photos\"+filename, img)